{"id":10184,"date":"2025-06-11T18:21:18","date_gmt":"2025-06-11T18:21:18","guid":{"rendered":"https:\/\/hurghada-today.com\/?p=10184"},"modified":"2025-10-26T18:42:09","modified_gmt":"2025-10-26T18:42:09","slug":"how-do-marine-creatures-breathe-underwater","status":"publish","type":"post","link":"https:\/\/hurghada-today.com\/ro\/how-do-marine-creatures-breathe-underwater\/","title":{"rendered":"Cum respir\u0103 creaturile marine sub ap\u0103?"},"content":{"rendered":"<p>Apa din oceane \u0219i m\u0103ri con\u021bine o cantitate semnificativ\u0103 de oxigen dizolvat. Totu\u0219i, dac\u0103 un om ar \u00eencerca s\u0103 respire sub ap\u0103, supravie\u021buirea ar fi imposibil\u0103. <!--more-->\u00centre timp, <a href=\"https:\/\/hurghada-today.com\/ro\/sea-tours\/\">creaturi marine<\/a> f\u0103 asta \u00een mod natural \u0219i f\u0103r\u0103 efort. Acest lucru ridic\u0103 o \u00eentrebare fascinant\u0103: <strong>Cum extrag pe\u0219tii oxigenul din ap\u0103<\/strong>\u0218i respir\u0103 toate animalele marine \u00een acela\u0219i mod? \u00cen acest articol, vom explora modul \u00een care respir\u0103 diferite forme de via\u021b\u0103 marin\u0103 \u0219i diferen\u021bele cheie dintre pe\u0219ti \u0219i mamiferele marine, cum ar fi balenele \u0219i delfinii.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-10191\" src=\"https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/colorful-fish-swimming-in-crystal-clear-water.jpg\" alt=\"colorful fish swimming in crystal-clear water\" width=\"850\" height=\"450\" srcset=\"https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/colorful-fish-swimming-in-crystal-clear-water.jpg 850w, https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/colorful-fish-swimming-in-crystal-clear-water-300x159.jpg 300w, https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/colorful-fish-swimming-in-crystal-clear-water-768x407.jpg 768w, https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/colorful-fish-swimming-in-crystal-clear-water-18x10.jpg 18w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/p>\n<h2><strong>Respira\u021bia ca proces vital<\/strong><\/h2>\n<p>Oxigenul men\u021bine via\u021ba \u00een via\u021b\u0103. El alimenteaz\u0103 fiecare celul\u0103, oferind fiin\u021belor vii puterea de a se mi\u0219ca, de a cre\u0219te \u0219i de a r\u0103m\u00e2ne \u00een via\u021b\u0103. Oamenii primesc oxigen prin pl\u0103m\u00e2ni, absorbindu-l din aer cu fiecare respira\u021bie. Pl\u0103m\u00e2nii \u00eel trimit \u00een s\u00e2nge, care \u00eel transport\u0103 \u00een fiecare parte a corpului. \u00cen schimb, dioxidul de carbon este eliminat ca de\u0219eu. Dar <em>Pentru creaturile de sub mare, lucrurile func\u021bioneaz\u0103 diferit<\/em>Nu exist\u0103 aer de respirat, ci doar ap\u0103. De-a lungul a milioane de ani, via\u021ba marin\u0103 a dezvoltat metode uimitoare de a absorbi oxigenul ascuns \u00een ea.<\/p>\n<h3><strong>Cum respir\u0103 pe\u0219tii sub ap\u0103?<\/strong><\/h3>\n<p>Pe\u0219tii nu au pl\u0103m\u00e2ni ca noi. \u00cen schimb, respir\u0103 prin organe speciale numite branhii. Aceste branhii au rolul vital de a face schimb de gaze - de a prelua oxigen \u0219i de a elimina dioxid de carbon. Fiecare branhie este alc\u0103tuit\u0103 <!--more-->din filamente sub\u021biri \u0219i delicate, umplute cu vase de s\u00e2nge minuscule. Aceasta le confer\u0103 culoarea ro\u0219ie aprins\u0103. Majoritatea pe\u0219tilor au patru perechi de branhii, dar unii, precum <strong>rechinii, pot avea p\u00e2n\u0103 la \u0219apte<\/strong>C\u00e2nd o <a href=\"https:\/\/hurghada-today.com\/ro\/tour\/orange-bay\/\">pe\u0219tele \u00ee\u0219i deschide gura<\/a>, apa curge \u0219i spal\u0103 branhiile. S\u00e2ngele din interiorul filamentelor colecteaz\u0103 oxigenul dizolvat \u00een ap\u0103 \u0219i elibereaz\u0103 \u00een schimb dioxid de carbon. Apoi, apa uzat\u0103 se scurge prin deschiderile branhiale - la fel ca apa care se scurge printr-o sit\u0103.<\/p>\n<figure id=\"attachment_10192\" aria-describedby=\"caption-attachment-10192\" style=\"width: 687px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10192 size-full\" src=\"https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/A-mans-hand-shows-the-gills-of-a-fresh-carp-fish-close-up.jpg\" alt=\"A man's hand shows the gills of a fresh carp fish, close-up\" width=\"687\" height=\"363\" srcset=\"https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/A-mans-hand-shows-the-gills-of-a-fresh-carp-fish-close-up.jpg 687w, https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/A-mans-hand-shows-the-gills-of-a-fresh-carp-fish-close-up-300x159.jpg 300w, https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/A-mans-hand-shows-the-gills-of-a-fresh-carp-fish-close-up-18x10.jpg 18w\" sizes=\"auto, (max-width: 687px) 100vw, 687px\" \/><figcaption id=\"caption-attachment-10192\" class=\"wp-caption-text\">Pe\u0219tii folosesc branhiile pentru a respira sub ap\u0103<\/figcaption><\/figure>\n<h2><strong>Provoc\u0103rile respira\u021biei sub ap\u0103<\/strong><\/h2>\n<p>De\u0219i pe\u0219tii par bine adapta\u021bi, respira\u021bia subacvatic\u0103 este de fapt un proces solicitant. Apa con\u021bine doar aproximativ 8 miligrame de oxigen pe litru, \u00een timp ce <em>aerul con\u021bine aproape 210 miligrame pe litru<\/em> \u2014 de peste 25 de ori mai mult. \u00cen plus, nivelurile de oxigen scad semnificativ \u00een apele mai ad\u00e2nci, ceea ce \u00eenseamn\u0103 c\u0103 pe\u0219tii trebuie s\u0103 se bazeze pe sisteme de extrac\u021bie a oxigenului extrem de eficiente pentru a supravie\u021bui \u00een astfel de condi\u021bii.<\/p>\n<h2><strong>Respira\u021bie dubl\u0103 la anumite specii<\/strong><\/h2>\n<p>Nu to\u021bi pe\u0219tii depind exclusiv de branhii. Mai mult de <strong>450 de specii de pe\u0219ti<\/strong> pot respira aer direct folosind sisteme respiratorii duale, care combin\u0103 branhii, pl\u0103m\u00e2ni sau chiar suprafe\u021bele pielii.<\/p>\n<p>Exemplele includ:<\/p>\n<ul>\n<li><strong>S\u0103lt\u0103re\u021bul de noroi:<\/strong> Originar din Asia de Sud-Est, poate tr\u0103i p\u00e2n\u0103 la \u0219ase zile consecutive \u00een afara apei, respir\u00e2nd direct prin aer.<\/li>\n<li><strong>Somnul:<\/strong> Cunoscut \u00een Egipt ca <em>Qarmout<\/em>, acest pe\u0219te poate supravie\u021bui pe uscat at\u00e2ta timp c\u00e2t pielea \u00eei r\u0103m\u00e2ne umed\u0103.<\/li>\n<\/ul>\n<h2><strong>Mamiferele marine \u2014 un caz unic<\/strong><\/h2>\n<p>Balenele \u0219i delfinii nu sunt pe\u0219ti, ci mamifere marine care respir\u0103 aer <em>prin pl\u0103m\u00e2ni<\/em>Au o deschidere special\u0103 \u00een partea de sus a capului, numit\u0103 orificiu de respira\u021bie, care se \u00eenchide str\u00e2ns \u00een timpul scufund\u0103rii \u0219i se deschide c\u00e2nd ajung la suprafa\u021b\u0103 pentru a inhala aer. Balenele pot stoca <a href=\"https:\/\/ugc.berkeley.edu\/background-content\/oxygen-levels\/\">cantit\u0103\u021bi mari de oxigen<\/a> \u00een corpurile lor, permi\u021b\u00e2ndu-le s\u0103 r\u0103m\u00e2n\u0103 scufundate p\u00e2n\u0103 la 60 de minute, \u00een timp ce delfinii \u00ee\u0219i pot \u021bine de obicei respira\u021bia timp de 8-10 minute.<\/p>\n<figure id=\"attachment_10193\" aria-describedby=\"caption-attachment-10193\" style=\"width: 850px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-10193 size-full\" src=\"https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/Dolphin-underwater.jpg\" alt=\"mother and baby dolphin in the blue sea breathe underwater\" width=\"850\" height=\"450\" srcset=\"https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/Dolphin-underwater.jpg 850w, https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/Dolphin-underwater-300x159.jpg 300w, https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/Dolphin-underwater-768x407.jpg 768w, https:\/\/hurghada-today.com\/wp-content\/uploads\/2025\/10\/Dolphin-underwater-18x10.jpg 18w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><figcaption id=\"caption-attachment-10193\" class=\"wp-caption-text\">O singur\u0103 respira\u021bie conecteaz\u0103 delfinul at\u00e2t la mare, c\u00e2t \u0219i la cer<\/figcaption><\/figure>\n<h2><strong>Acum \u00een\u021belegi cum respir\u0103 via\u021ba marin\u0103 sub ap\u0103<\/strong><\/h2>\n<p>Respira\u021bia \u00een via\u021ba marin\u0103 este unul dintre cele mai remarcabile exemple de adaptare biologic\u0103. \u00cen timp ce pe\u0219tii folosesc branhii pentru a extrage oxigen din ap\u0103, mamiferele marine se bazeaz\u0103 pe pl\u0103m\u00e2ni pentru a respira aer, ilustr\u00e2nd diversitatea \u0219i inteligen\u021ba extraordinar\u0103 a vie\u021bii de sub valuri. \u00cen\u021belegerea acestor mecanisme ne ad\u00e2nce\u0219te aprecierea pentru biologia marin\u0103 \u0219i contribuie la eforturile globale de conservare care vizeaz\u0103 protejarea echilibrului delicat al ecosistemelor oceanice. Dac\u0103 e\u0219ti inspirat s\u0103... <strong>exploreaz\u0103 singur aceast\u0103 lume ascuns\u0103<\/strong>Hurghada Ast\u0103zi ofer\u0103 excursii maritime de neuitat, unde pute\u021bi fi martori la frumuse\u021bea vie\u021bii marine de aproape.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Apa din oceane \u0219i m\u0103ri con\u021bine o cantitate semnificativ\u0103 de oxigen dizolvat. Totu\u0219i, dac\u0103 un om ar \u00eencerca s\u0103 respire sub ap\u0103, supravie\u021buirea ar fi imposibil\u0103.<\/p>","protected":false},"author":4,"featured_media":10203,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[117,152],"tags":[162,167,165,161],"class_list":["post-10184","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-marine-flora-and-fauna","tag-dolphins","tag-fish","tag-red-sea","tag-whales"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How do marine creatures breathe underwater? | Hurghada today<\/title>\n<meta name=\"description\" content=\"Learn how sea creatures breathe underwater \u2014 from fish extracting oxygen with gills to mammals using lungs.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hurghada-today.com\/ro\/how-do-marine-creatures-breathe-underwater\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How do marine creatures breathe underwater? 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